Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 10:11:57 PM (PST) on Tuesday, November 11, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) NNE (19 degrees) of Loma Linda, CA.
The hypocentral depth is 14 km ( 9 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Tuesday, November 11, 2025 at 10:11:57 PM (PST)
Wednesday, November 12, 2025 at 6:11:57 (UTC)
Distance from Loma Linda, CA - 2 km (1 miles) NNE (19 degrees)
Colton, CA - 6 km (3 miles) ESE (102 degrees)
Grand Terrace, CA - 6 km (4 miles) ENE (59 degrees)
Redlands, CA - 7 km (4 miles) W (278 degrees)
San Bernardino, CA - 8 km (5 miles) SSE (154 degrees)
Coordinates 34 deg. 3.8 min. N (34.063N), 117 deg. 15.3 min. W (117.255W)
Depth 13.98 km (8.70 miles)
Quality Good
Location Quality Parameters Nst=63, Nph=113, Dmin=5.3 km, Rmss=0.17 sec, Erho=0.14 km, Erzz=0.36 km, Gp=33 degrees
Event ID# ci40484090
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